Ningbo Guoguang Biotechnology Co., Ltd.

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Profile: Ningbo Guoguang Biotechnology Co., Ltd. specializes in the production of food additives, nutrition enhancer, and medical intermediate products. Our products include l-citrulline dl-malate, l-citrulline l-malate, l-proline, dl-methionine(acimetin), l-valine, l-norvaline, l-ornithine hydrochloride, l-cysteine hcl anhy, l-methionine, s-carboxmethyl-l-cysteine, l-threonine, l-arginine, l-methionine and l-histidine. L-proline is a white crystal or crystalline powder, and has slightly sweet taste. It is soluble in water, freely soluble in glacial acetic acid, sparingly soluble in ethanol and practically insoluble in ether. These are available in various standards including AJI92, USP26 and EP4. L-ornithine hydrochloride is a white crystal or crystalline powder with characteristic odor. These are freely soluble in water. L-cysteine Hcl anhy is a white crystal or crystalline powder and has a strong acid taste. This is freely soluble in water & ethanol and insoluble in ether. This is used in injection, food additives, healthcare, cosmetics and sports nutrition.

19 Products/Chemicals (Click for related suppliers)

• DL-Methionine

IUPAC Name: 2-amino-4-methylsulfanylbutanoic acid | CAS Registry Number: 59-51-8
Synonyms: methionine, Racemethionine, D-Methionine, L-methionine, Acimetion, Pedameth, Banthionine, Methilanin, Lobamine, Mertionin, Cynaron, Meonine, Metione, Urimeth, DL-METHIONINE, Dyprin, Neston, DL-Methioninum, metionina, Methilonin

Molecular Formula:	C₅H₁₁NO₂S	Molecular Weight:	149.211340 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: FFEARJCKVFRZRR-UHFFFAOYSA-N

• Dl-Valine

IUPAC Name: 2-amino-3-methylbutanoic acid | CAS Registry Number: 516-06-3
Synonyms: valine, DL-Valine, L-valine, valin, valina, D-Valine, Hval, Valine, DL-, (R)-Valine, Valine, D-, D,L-VALINE, VALINE, L-, 2-Amino-3-methylbutanoic acid, VALINE, (L), WLN: QVYZY1&1, 2-Aminoisovaleric acid, DL-, ()-alpha-Aminoisovaleric acid, 2-Amino-3-methylbutyric acid, V0375_SIGMA, W344400_ALDRICH

Molecular Formula:	C₅H₁₁NO₂	Molecular Weight:	117.146340 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: KZSNJWFQEVHDMF-UHFFFAOYSA-N

• L-Arginine Base

IUPAC Name: (2S)-2-amino-5-(diaminomethylideneamino)pentanoic acid | CAS Registry Number: 74-79-3
Synonyms: L-arginine, arginine, L-(+)-Arginine, Polyarginine, Detoxargin, Argamine, Argivene, DL-Arginine, Levargin, Minophagen A, Poly(L-arginine), (L)-Arginine, Arginine (VAN), L-Arginin, L-Arg, 1laf, R-Gene, Arginine, DL-, ARGININE, L-, nchembio.92-comp1

Molecular Formula:	C₆H₁₄N₄O₂	Molecular Weight:	174.200960 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	6

InChIKey: ODKSFYDXXFIFQN-BYPYZUCNSA-N

• L-Asparagine

IUPAC Name: (2S)-2,4-diamino-4-oxobutanoic acid | CAS Registry Number: 70-47-3
Synonyms: L-asparagine, asparagine, Asparamide, asparagine acid, Aspartamic acid, agedoite, altheine, (S)-asparagine, L-Aspartamine, (-)-asparagine, L-b-Asparagine, Crystal VI, L-asparatamine, Asparagine, L-, L-Asparagin, Aspartic acid amide, 2-Aminosuccinamic acid, Asparagine (VAN), alpha-aminosuccinamic acid, nchembio816-comp5

Molecular Formula:	C₄H₈N₂O₃	Molecular Weight:	132.117920 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	4

InChIKey: DCXYFEDJOCDNAF-REOHCLBHSA-N

• L-Citrulline

IUPAC Name: (2S)-2-amino-5-(carbamoylamino)pentanoic acid | CAS Registry Number: 372-75-8
Synonyms: citrulline, L-citrulline, Sitrulline, L-Cytrulline, delta-Ureidonorvaline, Citrulline, L-, N5-carbamylornithine, N5-Carbamoyl-L-ornithine, N5-carbamoylornithine, N(delta)-Carbamylornithine, L-Citrulline (DCF), N5-(Aminocarbonyl)ornithine, 2-Amino-5-ureidovaleric acid, N(5)-carbamoyl-L-ornithine, 2-Amino-5-uredovaleric acid, Ornithine, N5-(aminocarbonyl)-, alpha-Amino-delta-ureidovaleric acid, C7629_SIGMA, L-Ornithine, N5-(aminocarbonyl)-, Ornithine, N5-carbamoyl-, L-

Molecular Formula:	C₆H₁₃N₃O₃	Molecular Weight:	175.185720 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	4

InChIKey: RHGKLRLOHDJJDR-BYPYZUCNSA-N

• L-Citrulline DL-Malate

IUPAC Name: (2S)-2-amino-5-(carbamoylamino)pentanoic acid; 2-hydroxybutanedioic acid | CAS Registry Number: 54940-97-5
Synonyms: Citrulline malate, Stimol, Stimol (TN), Citrulline malate (salt), CID162762, D07707, L-Ornithine, N5-(aminocarbonyl)-, mono(+-)-hydroxybutanedioate

Molecular Formula:	C₁₀H₁₉N₃O₈	Molecular Weight:	309.273160 [g/mol]
H-Bond Donor:	7	H-Bond Acceptor:	9

InChIKey: DROVUXYZTXCEBX-WCCKRBBISA-N

• L-Citrulline L-Malate

IUPAC Name: (2S)-2-amino-5-(carbamoylamino)pentanoic acid;(2S)-2-hydroxybutanedioic acid

Molecular Formula:	C₁₀H₁₉N₃O₈	Molecular Weight:	309.275 [g/mol]
H-Bond Donor:	7	H-Bond Acceptor:	9

InChIKey: DROVUXYZTXCEBX-ZBRNBAAYSA-N

• L-Cysteine Hcl Anhydrous

IUPAC Name: (2R)-2-amino-3-sulfanylpropanoic acid hydrochloride | CAS Registry Number: 52-89-1
Synonyms: Cystein chloride, l-Cysteine.HCl, L-Cysteine hydrochloride, Cysteine chlorhydrate, Cysteine monohydrochloride, L-Cysteine, hydrochloride, (R)-Cysteine hydrochloride, L-Cysteine monohydrochloride, CYSTEINE HYDROCHLORIDE, Cysteine, L-, hydrochloride, L-(+)-Cysteine hydrochloride, 3-Mercaptoalanine hydrochloride, CCRIS 3613, Cysteine, L-, monohydrochloride, C1276_SIGMA, C7477_SIGMA, Cysteine hydrochloride anhydrous, NSC 8746, EINECS 200-157-7, WR 348

Molecular Formula:	C₃H₈ClNO₂S	Molecular Weight:	157.619120 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	3

InChIKey: IFQSXNOEEPCSLW-DKWTVANSSA-N

• L-Cystine

IUPAC Name: (2R)-2-amino-3-[(2R)-2-amino-3-hydroxy-3-oxopropyl]disulfanylpropanoic acid | CAS Registry Number: 56-89-3
Synonyms: L-cystine, cystine, Cystine acid, L-Dicysteine, Dicysteine, Cystin, Cysteine disulfide, Gelucystine, L-Cystin, Oxidized L-cysteine, 1-Cystine, Cystine,d, Cystine D-form, D-Cystine, L-Cysteine disulfide, (-)-Cystine, Cystine (L)-, Cystine, D-, Cystine, L-, Cystine (VAN)

Molecular Formula:	C₆H₁₂N₂O₄S₂	Molecular Weight:	240.300480 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	6

InChIKey: LEVWYRKDKASIDU-IMJSIDKUSA-N

• L-Histidine

IUPAC Name: (2S)-2-amino-3-(1H-imidazol-5-yl)propanoic acid | CAS Registry Number: 71-00-1
Synonyms: L-histidine, histidine, Istidina, Anti-rheuma, S-Histidine, Polyhistidine, Polyhiustidine, glyoxaline-5-alanine, (L)-Histidine, Histidine (VAN), L-Histidin, 1hsl, 1lag, L-(-)-Histidine, (S)-Histidine, Poly(L-histidine), QUINOLINE, L-Histidine (JAN), Histidine [USAN:INN], HISTIDINE, L-

Molecular Formula:	C₆H₉N₃O₂	Molecular Weight:	155.154560 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	5

InChIKey: HNDVDQJCIGZPNO-YFKPBYRVSA-N

• L-Methionine

IUPAC Name: (2S)-2-amino-4-methylsulfanylbutanoic acid | CAS Registry Number: 63-68-3
Synonyms: methionine, L-methionine, Cymethion, Liquimeth, Methilanin, L-Methioninum, S-Methionine, L-(-)-Methionine, Neo-methidin, (L)-Methionine, Polymethionine, Acimethin, Methionine (VAN), Metionina [DCIT], D-Methionine, h-Met-oh, L-Methionin, h-Met-h, L-Methionine Z, (S)-methionine

Molecular Formula:	C₅H₁₁NO₂S	Molecular Weight:	149.211340 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: FFEARJCKVFRZRR-BYPYZUCNSA-N

• L-Ornithine HCl

IUPAC Name: (2S)-2,5-diaminopentanoic acid | CAS Registry Number: 70-26-8
Synonyms: L-ornithine, ornithine, polyornithine, (S)-Ornithine, Poly-L-ornithine, Ornithine (VAN), Ornithine [INN], L( )-Ornithine, Ornithinum [Latin], Ornitina [Spanish], 1hqg, 1lah, 3jdw, ORNITHINE, L-, L-Norvaline, 5-amino-, (+)-S-Ornithine, L-(-)-Ornithine, L-Ornithine, homopolymer, nchembio.125-comp6, L-Ornithine (9CI)

Molecular Formula:	C₅H₁₂N₂O₂	Molecular Weight:	132.160980 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	4

InChIKey: AHLPHDHHMVZTML-BYPYZUCNSA-N

• L-Orthithine Hydrochloride

IUPAC Name: (2S)-2-aminohexanedioic acid | CAS Registry Number: 3184-13-2
Synonyms: L-2-Aminoadipate, L-2-Aminoadipic acid, hexanedioic acid, L-alpha-Aminoadipate, 2-Aminoadipate, L-2-Aminohexanedioate, alpha-Aminoadipate, L-alpha-Aminoadipic acid, L-Homoglutamic acid, alpha-Aminoadipate, L-, alpha-Aminoadipate, DL-, (S)-2-Aminoadipic acid, DL-alpha-Aminoadipic acid, (S)-2-aminohexanedioic acid, 2-AMINOADIPIC ACID, (+-)-2-Aminoadipic acid, Hexanedioic acid, 2-amino-, L-ORNITHINE MONO HCI, Lopac0_000091, alpha-Aminoadipic acid, DL-

Molecular Formula:	C₆H₁₁NO₄	Molecular Weight:	161.155840 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	5

InChIKey: OYIFNHCXNCRBQI-BYPYZUCNSA-N

• L-Phenylalanine

IUPAC Name: (2S)-2-amino-3-phenylpropanoic acid | CAS Registry Number: 63-91-2
Synonyms: L-phenylalanine, phenylalanine, endophenyl, 3-Phenylalanine, 3-Phenyl-L-alanine, (L)-Phenylalanine, (S)-Phenylalanine, beta-Phenyl-L-alanine, L-Alanine, phenyl-, Phenylalanine, L-, Alanine, 3-phenyl-, beta-Phenylalanine, 1usi, Antibiotic FN 1636, Phenylalanine (VAN), Alanine, phenyl-, L-, L-Alanine, 3-phenyl-, Fenilalanina [Spanish], nchembio816-comp8, Phenylalaninum [Latin]

Molecular Formula:	C₉H₁₁NO₂	Molecular Weight:	165.189140 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: COLNVLDHVKWLRT-QMMMGPOBSA-N

• L-Proline

IUPAC Name: (2S)-pyrrolidine-2-carboxylic acid | CAS Registry Number: 147-85-3
Synonyms: L-proline, proline, Prolinum, D-proline, Carboxypyrrolidine, (S)-Proline, L-(-)-Proline, L-Prolin, Proline, L-, (-)-Proline, Prolinum [Latin], (-)-(S)-Proline, Prolina [Spanish], Proline (USP), Proline (VAN), 2-pyrrolidinecarboxylic acid, nchembio816-comp9, L-Proline (JAN), L-Proline-15N, FEMA Number 3319

Molecular Formula:	C₅H₉NO₂	Molecular Weight:	115.130460 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: ONIBWKKTOPOVIA-BYPYZUCNSA-N

• L-Serine

IUPAC Name: (2S)-2-amino-3-hydroxypropanoic acid | CAS Registry Number: 56-45-1
Synonyms: serine, L-serine, (S)-Serine, beta-Hydroxyalanine, Polyserine, Serinum [Latin], L-ser, Serine, L-, Serina [Spanish], 3-Hydroxyalanine, Poly-L-serine, DL-Serine, L-Serin, Serine (VAN), L-(-)-Serine, L-3-Hydroxy-alanine, (-)-Serine, Serine (USP), b-Hydroxy-L-alanine, Serine [USAN:INN]

Molecular Formula:	C₃H₇NO₃	Molecular Weight:	105.092580 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	4

InChIKey: MTCFGRXMJLQNBG-REOHCLBHSA-N

• L-Threonine

IUPAC Name: (2S,3R)-2-amino-3-hydroxybutanoic acid | CAS Registry Number: 72-19-5
Synonyms: threonine, L-threonine, Threonin, (S)-Threonine, thre, Threonine, L-, L-Threonin, Threonine (VAN), L-allo-threonine, Threoninum [Latin], Treonina [Spanish], L-(-)-Threonine, L-thr, Threonine (USP), (2S)-threonine, 2-amino-3-hydroxybutyric acid, Threonine [USAN:INN], L-Threonine (9CI), L-(U-14C)Threonine, L-Threonine (JP15)

Molecular Formula:	C₄H₉NO₃	Molecular Weight:	119.119160 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	4

InChIKey: AYFVYJQAPQTCCC-GBXIJSLDSA-N

• L-Tryptophan AJI97

IUPAC Name: (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid | CAS Registry Number: 73-22-3
Synonyms: L-tryptophan, tryptophan, trofan, tryptacin, Tryptophane, L-Tryptophane, Ardeytropin, Pacitron, Optimax, (S)-Tryptophan, Kalma, L-Tryptofan, Tryptan, Indole-3-alanine, L-Trp, Sedanoct, Lyphan, Tryptophan (VAN), 3-Indol-3-ylalanine, Tryptophan, L-

Molecular Formula:	C₁₁H₁₂N₂O₂	Molecular Weight:	204.225180 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	4

InChIKey: QIVBCDIJIAJPQS-VIFPVBQESA-N

• (S)-2-Aminopentanoic acid

IUPAC Name: (2S)-2-aminopentanoic acid | CAS Registry Number: 6600-40-4
Synonyms: norvaline, L-norvaline, Norvaline, L-, Norvaline (VAN), 2-Aminovaleric acid, L-2-Aminovaleric acid, L-2-aminopentanoic acid, 2-Aminopentanoic acid, L-Norvaline (9CI), 2S-amino-pentanoic acid, Valeric acid, 2-amino-, (S)-2-Aminovaleric acid, Pentanoic acid, 2-amino-, alpha-L-Aminopentanoic acid, (2S)-2-aminopentanoic acid, N7627_SIGMA, 2-AMINO-PENTANOIC ACID, (S)-()-2-Aminopentanoic acid, CHEBI:18314, CID65098

Molecular Formula:	C₅H₁₁NO₂	Molecular Weight:	117.146340 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: SNDPXSYFESPGGJ-BYPYZUCNSA-N